Although the order is not quite right, that's basically what happened.
Gu Mo doesn't want to find a way to utilize the Immortal Power he already possesses, but rather to seize this opportunity for Mortal Transformation and Immortal Ascension, to truly attain the Immortal Power.
However, he certainly would not openly tell Gilgamesh this. In fact, speaking so evasively just now was deliberately to use the current misleading clues and mislead, letting this Wise King come to such a wrong conclusion... after all, he always has to leave himself some trump cards and secrets.
"..."
"..."
His forefinger gently tapping the throne armrest, Gilgamesh started to ponder seriously.
This era actually has two Holy Grails existing simultaneously.
